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Online social networks are massively influential, yet we understand very little about the impact they have on our brains. Recent
Online social networks are massively influential, yet we understand very little about the impact they have on our brains. Recent
admin
2013-08-03
34
问题
Online social networks are massively influential, yet we understand very little about the impact they have on our brains. Recently, scientists have found a direct 【C1】______ between the number of Facebook friends a person has and the size of【C2】______ brain regions. The study also shows the more Facebook friends a person has, the more real-world friends he is【C3】______to have.
Facebook users who have a【C4】______of friends also tend to have smaller circles of friends in the real-world and,【C5】______ those who have thousands of friends on Facebook are likely to have larger circles offline, according to the study. The findings support the【C6】______ that most Facebook users use the site to【C7】______their existing, real-life social relationships, maintaining or reinforcing these friendships,【C8】______creating a network of entirely new,【C9】______friends.
The researchers scanned the brains of 125 university-aged Facebook users,【C10】______ these scans to the size of their friend networks online and the real-world. Those with larger Facebook networks had larger amounts of grey matter in several regions of the brain. One of these regions, the amygdala, is 【C11】______with processing memory and emotional responses. Pairing this【C12】______ another recent study, the researchers show increased volume grey matter in the amygdala【C13】______ a larger network of real-world friends.【C14】______these studies show a large network of online friends also point to an increased volume of grey matter—【C15】______ information processing occurs. In addition to brain scans, the participants were asked questions 【C16】______ to compare the size of their online networks to the size of their real-world networks.
The study【C17】______the correlation between the number of friends online【C18】______ offline. Still, it is not possible from the【C19】______to say whether having more Facebook friends makes the regions of the brain larger【C20】______ whether some people are "hard-wired" to have more friends.
【C3】
选项
A、anxious
B、likely
C、bound
D、glad
答案
B
解析
形容词辨析题。句意为:研究还表明,一个人拥有的“脸书”好友越多,他在现实中拥有的朋友数量可能也越多。依据后文,第二段第一句比较了拥有“脸书”好友圈较大的人与好友圈较小的人,两者在现实社会中拥有的朋友数量也可能有差别,原文中分别用了“tend to”和“are likely to”,因此likely“可能的”符合此处文意。本段介绍的是科学研究的客观发现,没有涉及主观的情绪和态度,因此排除anxious“焦急的”和glad“高兴的”;第二段明确提示,本句所陈述的发现只是一种倾向,故排除bound“注定的,必然的”。
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专业英语四级
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